Easy Sintered AluminaALG

현재위치:

Description:

Easy sintered alumina (ESA) has merits in high fired density and microstructures after sintering. Due to those advantages, they are used as fundamental material for ceramic products having great mechanical strength and abrasion resistance. ALK series are used not only for ceramics but also for separation membrane coating. ALG series can be sintered in low temperature so it can save energy. ESA is used in various industrial fields, such as high quality ceramics, refractories. Especially, three of items (ALK-SH, ALK-MH, ALG-2H) have high fluidity.

Applications:

  • Abrasion resistant porcelain, Heat-resistant porcelain
  • Industrial mechanical parts
  • Special refractories
  • Electronic parts, Coating material of separator

Chemical Composition (wt. %):

Item Chemical Property (%)
Al2O3 LOl Fe2O3 CaO SiO2 Na2O MgO
ALK-2S 99.8 0.22 0.019 0.015 0.010 0.04 -
ALK-MH 99.8 0.21 0.012 0.029 0.015 0.07 -
ALK-SH 99.8 0.23 0.020 0.014 0.025 0.07 -
ALG-1S 99.8 0.24 0.014 0.029 0.010 0.07 0.05
ALG-2S 99.8 0.22 0.019 0.015 0.010 0.04 0.05
ALG-2E 99.8 0.37 0.020 0.021 0.018 0.04 0.05
ALG-2H 99.8 0.20 0.020 0.020 0.015 0.04 0.05

Physical Properties (ALG-series):

Item Green Density
(g/㎤)		 Fired Density (g/㎤) Linear shrinkage (%)
1,550℃ 1,600℃ 1,550℃ 1,600℃
ALG-1S 2.13 3.90 3.92 17.8 18.0
ALG-2S 2.23 3.90 3.93 16.6 16.7
ALG-2E 2.27 3.90 3.92 16.4 16.5
ALG-2H 2.30 3.90 3.93 16.7 16.8

Particle Size Distribution:

Item Particle Size (㎛) B.E.T
(㎡/g)
d90 d50 d10
Typical Spec Typical Spec
ALK-2S 1.42 0.4 ~ 0.6 0.53 0.23 5.8
ALK-MH 1.33 0.4 ~ 0.6 0.47 0.18 6.4
ALK-SH 1.25 0.4 ~ 0.6 0.42 0.16 6.6
ALG-1S 1.56 0.4 ~ 0.6 0.55 0.24 6.6
ALG-2S 1.41 0.4 ~ 0.6 0.53 0.23 5.8
ALG-2E 1.42 0.4 ~ 0.6 0.53 0.23 5.8
ALG-2H 1.29 0.4 ~ 0.6 0.49 0.23 5.0

The Typical product properties are based upon the actual averages from product data.

Fired Density:

Viscosity of slurry:

Microstructure: